Dear Wireworkers, I'm having a flaky problem with a motion system that I'm trying to pinpoint, and I thought I'd ask if anyone has seen something similar. I'm using 3 NI 7344 motion boards, UMI interfaces, and MOOG servo controllers (don't know the model) that provide a synthetic AB signal for my NI board encoder inputs. Once every few hours of system operation I'll see my motion system make a radical move, because one of the encoders is "suddenly" off by 32768 counts i.e. 2^15. I put suddenly in quotes because I don't know if a MOOG is deciding to give me a burst of bogus steps that an NI board is counting, or if an NI board is getting lost. Most of the incidents occur on one of the axes, but I've seen it less often on a few other axes. Also, there is no single set of circumstances where this occurs in terms of what my software is doing at the time. Thanks for the FREE tech support, --David Moore
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-- David A. Moore ----------------------------- Moore Good Ideas, Inc. --
-- (801) 773-3067 --------------------------------- NI Alliance Member --
-- 1996 Allison Way --------------------------- www.MooreGoodIdeas.com --
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